
Fuses Usage
RR Wiper Rear Window Wiper Switch
SEO ACCYSpecial Equipment Option
Accessory
WS WPR Windshield Wipers
Fuses Usage
TBC ACCYTruck Body Controller
Accessory
IGN 3 Ignition, Heated Seats
4WD Four-Wheel Drive System
HTR A/C Climate Control System
LOCKPower Door Lock Relay
(Lock Function)
HVAC 1Inside Rearview Mirror,
Climate Control System
L DOORDriver's Door Harness
Connection
CRUISE Cruise Control
UNLOCKPower Door Lock Relay
(Unlock Function)
RR FOG LP Rear Fog Lamp (Export Only)
BRAKE Anti-Lock Brake System
5-104

Fuses Usage
DRIVER UNLOCKPower Door Lock Relay
(Driver's Door Unlock
Function)
IGN 0 PCM, TCM
TBC IGN 0 Truck Body Controller
VEH CHMSLVehicle and Trailer High
Mounted Stoplamp
LT TRLR ST/TRN Left Turn Signal/Stop Trailer
LT TRNLeft Turn Signals and
Sidemarkers
VEH STOPVehicle Stoplamps, Brake
Module, Electronic Throttle
Control Module
RT TRLR ST/TRN Right Turn Signal/Stop Trailer
RT TRNRight Turn Signals and
SidemarkersFuses Usage
BODY Harness Connector
DDM Driver Door Module
AUX PWR 2Rear Cargo Area Power
Outlets
LOCKS Power Door Lock System
ECCRear Electronic Climate
Control, Liftgate
TBC 2C Truck Body Controller
FLASH Flasher Module
CB LT DOORSLeft Power Window Circuit
Breaker
TBC 2B Truck Body Controller
TBC 2A Truck Body Controller
5-105

*1Ð Gasoline Engine and Fuel Injection Rail #2.
*2Ð Gasoline Engine and Fuel Injection Rail #1.
*3Ð Gasoline Engine; Oxygen Sensors.
*4Ð Gasoline Engine; Oxygen Sensors.
*5Ð PCM Ignition
Fuses Usage
GLOW PLUG Not Used
CUST FEED Accessory Power
STUD #1 Auxiliary Power
MBECMid Bussed Electrical Center
Power Feed, Front Seats,
Right Doors
BLOWER Front Climate Control Fan
LBECLeft Bussed Electrical Center,
Door Modules, Door Locks,
Auxiliary Power OutletÐRear
Cargo Area and Instrument
Panel
STUD 2Accessory Power/Trailer
Wiring Brake Feed
Fuses Usage
ABS Anti-Lock Brakes
VSES/ECAS Vehicle Stability
IGN A Ignition Power
IGN B Ignition Power
LBEC 1Left Bussed Electrical Center,
Left Doors, Truck Body
Controller, Flasher Module
TRL PARK Parking Lamps Trailer Wiring
RR PARKRight Rear Parking and
Sidemarker Lamps
LR PARKLeft Rear Parking and
Sidemarker Lamps
PARK LP Parking Lamps Relay
STARTER Starter Relay
INTPARK Interior Lamps
STOP LP Stoplamps
TBC BATTTruck Body Controller
Battery Feed
5-109

Fuses Usage
SUNROOF Sunroof
SEO B2 Off-Road Lamps
4WSVent Solenoid
Canister/Quadrasteer Module
Power
RR HVAC Rear Climate Control
AUX PWRAuxiliary Power Outlet Ð
Console
IGN 1 Ignition Relay
PCM 1 Powertrain Control Module
ETC/ECMElectronic Throttle Control,
Electronic Brake Controller
IGN EInstrument Panel Cluster, Air
Conditioning Relay, Turn
Signal/Hazard Switch, Starter
Relay
RTD Ride Control
TRL B/U Backup Lamps Trailer Wiring
PCM BPowertrain Control Module,
Fuel PumpFuses Usage
F/PMP Fuel Pump (Relay)
B/U LPBack-up Lamps, Automatic
Transmission Shift Lock
Control System
RR DEFOG Rear Window Defogger
HDLP-HI Headlamp High Beam Relay
PRIME Not Used
SIRSupplemental In¯atable
Restraint System
FRT PARKFront Parking Lamps,
Sidemarker Lamps
DRLDaytime Running Lamps
(Relay)
SEO IGN Rear Defog Relay
TBC IGN1 Truck Body Controller Ignition
HI HDLP-LT High Beam Headlamp-Left
LH HIDLeft Hand High Intensity
Discharge Lamps
DRL Daytime Running Lamps
5-110

Fuses Usage
IPC/DICInstrument Panel
Cluster/Driver Information
Center
HVAC/ECAS Climate Control Controller
CIG LTR Cigarette Lighter
HI HDLP-RT High Beam Headlamp-Right
HDLP-LOW Headlamp Low Beam Relay
A/C COMP Air Conditioning Compressor
A/C COMPAir Conditioning Compressor
Relay
RR WPR Rear Wiper/Washer
RADIO Audio System
SEO B1Mid Bussed Electrical Center,
HomeLink, Rear Heated
Seats
LO HDLP-LT Headlamp Low Beam-Left
BTSIBrake Transmission Shift
Interlock System
CRANK Starting SystemFuses Usage
LO HDLP-RT Headlamp Low Beam-Right
FOG LP Fog Lamp Relay
FOG LP Fog Lamps
HORN Horn Relay
W/S WASHWindshield and Rear Window
Washer Pump Relay
W/S WASHWindshield and Rear Window
Washer Pump
INFOOnStar/Rear Seat
Entertainment
RADIO AMP Radio Ampli®er
RH HIDRight Hand High Intensity
Discharge Lamp
HORN Horn Fuse
EAP Electric Adjustable Pedals
TREC All-Wheel Drive Module
SBA Supplemental Brake Assist
5-111

A
Accessory Power Outlets.................................3-23
Adding Washer Fluid.......................................5-38
Additional Program Information........................... 7-9
Additives, Fuel................................................. 5-6
Add-On Equipment..........................................4-52
Adjustable Throttle and Brake Pedal..................2-22
Adjusting the Speakers (Balance/Fade)..............3-75
After Off-Road Driving.....................................4-32
Air Bag System, Supplemental Restraint
System (SRS).............................................1-76
Air Bag .........................................................3-38
Passenger Status Indicator...........................3-38
Readiness Light..........................................3-37
Air Cleaner/Filter, Engine.................................5-19
Air Conditioning..............................................3-29
All-Wheel Drive...............................................5-50
AM .............................................................3-103
Analog Clock..................................................3-24
Antenna, Diversity Antenna System..................3-105
Antenna, XMŸ Satellite Radio Antenna
System.....................................................3-105
Anti-Lock Brake, System Warning Light..............3-42
Anti-lock Brake System..................................... 4-7
Appearance Care............................................5-94
Care of Safety Belts....................................5-96
Chemical Paint Spotting..............................5-100
Cleaning the Inside of Your Vehicle................5-94Appearance Care (cont.)
Cleaning the Outside of Your Vehicle..............5-97
Finish Damage..........................................5-100
Sheet Metal Damage...................................5-99
Underbody Maintenance.............................5-100
Vehicle Care/Appearance Materials...............5-100
Weatherstrips..............................................5-96
Approaching a Hill..........................................4-24
Ashtrays........................................................3-23
Audio Output..................................................3-92
Audio System(s).............................................3-70
Audio Steering Wheel Controls....................3-102
Care of Your Cassette Tape Player...............3-103
Care of Your CD and DVD Player................3-104
Care of Your CD Changer...........................3-104
Care of Your CDs and DVDs.......................3-104
CD Changer...............................................3-99
Diversity Antenna System............................3-105
Navigation/Radio System..............................3-96
Radio with Cassette and CD.........................3-71
Rear Seat Audio (RSA)................................3-97
Setting the Time..........................................3-70
Theft-Deterrent Feature...............................3-101
Understanding Radio Reception...................3-103
XMŸ Satellite Radio Antenna System...........3-105
Automatic Climate Control System.....................3-24
Automatic Headlamp System............................3-16
Automatic Level Control...................................4-53
Automatic Transmission Check..........................6-12
1

Cleaning the Speaker Covers...........................5-96
Cleaning the Top of the Instrument Panel...........5-95
Cleaning the Windshield, Backglass and Wiper
Blades.......................................................5-98
Cleaning Tires................................................5-99
Cleaning Vinyl................................................5-95
Cleaning Wood Panels....................................5-96
Cleaning........................................................5-94
Inside of Your Vehicle..................................5-94
Outside of Your Vehicle................................5-97
Underbody Maintenance.............................5-100
Video Screen............................................3-105
Weatherstrips..............................................5-96
Climate Control System...................................3-24
Automatic...................................................3-24
Climate Controls Personalization....................3-33
Outlet Adjustment........................................3-31
Rear..........................................................3-31
Clock............................................................3-24
Compact Disc Changer Errors.........................3-101
Compact Disc Messages..................................3-84
Compass Calibration.......................................2-35
Compass Variance..........................................2-34
Content Theft-Deferrent....................................2-18
Control of a Vehicle.......................................... 4-5Convenience Net............................................2-47
Coolant.........................................................3-43
Engine Temperature Gage............................3-43
Heater, Engine............................................2-23
Surge Tank Pressure Cap.............................5-27
Cooling System..............................................5-30
Cruise Control Light........................................3-49
Cruise Control................................................3-11
Cupholder(s)..................................................2-44
Current and Past Model Order Forms................7-12
Customer Assistance Information........................ 7-7
Courtesy Transportation.................................. 7-7
Customer Assistance for Text Telephone (TTY)
Users....................................................... 7-4
Customer Assistance Offices........................... 7-4
Customer Satisfaction Procedure..................... 7-2
GM Mobility Program for Persons with
Disabilities................................................ 7-5
Reporting Safety Defects to General Motors....7-10
Reporting Safety Defects to the Canadian
Government............................................7-10
Reporting Safety Defects to the United States
Government............................................7-10
Roadside Service.......................................... 7-6
Service Publications Ordering Information........7-11
4

Passenger Sensing System..............................1-85
Passing.................................................4-16, 4-61
Passlock
ž..................................................2-19, ii
Personalization Button.....................................3-55
Personalization, Climate Controls......................3-33
Plan Ahead When Possible................................ 7-8
Playing a Cassette Tape..................................3-80
Playing a Compact Disc...................................3-82
Playing the Radio...........................................3-72
Power Steering...............................................4-13
Power...........................................................3-23
Accessory Outlets........................................3-23
Door Locks.................................................. 2-9
Electrical System.......................................5-103
Lumbar Controls........................................... 1-4
Seat............................................................ 1-3
Steering Fluid.............................................5-36
Windows....................................................2-17
Programmable Automatic Door Locks.................2-11
Programming the HomeLink Transmitter.............2-41
Q
Questions and Answers About Safety Belts.........1-32
R
Radio Data System (RDS)...............................3-71
Radio Messages.............................................3-77
Radios..........................................................3-70
Care of Your Cassette Tape Player...............3-103
Care of Your CD and DVD Player................3-104
Care of Your CD Changer...........................3-104
Care of Your CDs and DVDs.......................3-104
CD Changer...............................................3-99
Navigation/Radio System..............................3-96
Radio with Cassette and CD.........................3-71
Rear Seat Audio..........................................3-97
Setting the Time..........................................3-70
Theft-Deterrent..........................................3-101
Understanding Reception............................3-103
RDS Messages..............................................3-76
Reaching Roadside Service............................... 7-7
Reading Lamps..............................................3-19
REAR ACCESS OPEN....................................3-67
Rear Axle......................................................5-51
Rear Climate Control System............................3-31
Rear Door Security Locks................................2-13
Rear Heated Seats.........................................1-10
Rear Safety Belt Comfort Guides......................1-47
12